Truck sleeper unit



FIG. 1 is a side elevation view of a truck sleeper unit showing our new design, the opposite side being a mirror image thereof and the broken lines being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a truck sleeper unit, as shown and described. 